2. A pulsar is a supernova remnant which is a super dense, rapidly spinning neutron star which emits dipole electromagnetic radiation and features a strong magnetic and gravitational field and also high space velocity.

3. PULSAR PROPERTIES: High Space Velocity High Space Velocity Rapid Spin Rate Rapid Spin Rate Super Dense Super Dense Strong Gravitational Field Strong Gravitational Field Strong Magnetic Field Strong Magnetic Field

4. Jocelyn Bell

5. “Little Green Men” Theory

7. Chandrasekhar Mass Limit 1.4 solar masses = 2.78474 × 10 30 kilograms

8. Pulsar Property #1. High Space Velocity

9. Over 1500 km/s High Space Velocity

10. Terms to Know

11. Parallax

12. Watch Video: The Doppler Effect: what does motion do to waves?

13. Over 1500 km/s High Space Velocity

14. Pulsar Property #2. Rapid Spin Rate

15. Diameter = ~20km

16. L = mvrv = L/(mr) Rapid Spin Rate Conservation of Angular Momentum Largest ~700Hz

17. Pulsar Property #3-#4. Super Dense & Strong Gravitational Field

18. D= M/V, V = (4/3)πr 3 Super Dense, Strong Gravitational Field

19. Pulsar Property #5. Strong Magnetic Field

20. extremely powerful magnetic fields of 10 8 -10 11 Tesla

21. PULSAR PROPERTIES: High Space Velocity High Space Velocity Rapid Spin Rate Rapid Spin Rate Super Dense Super Dense Strong Gravitational Field Strong Gravitational Field Strong Magnetic Field Strong Magnetic Field

22. Watch: Atoms As Big As Mountains — Neutron Stars Explained